$OpenBSD: patch-src_Plugins_Unix_unix_sys_utils_cpp,v 1.1 2017/05/30 22:06:39 espie Exp $

Index: src/Plugins/Unix/unix_sys_utils.cpp
--- src/Plugins/Unix/unix_sys_utils.cpp.orig
+++ src/Plugins/Unix/unix_sys_utils.cpp
@@ -20,6 +20,7 @@
 
 // for thread safe strings
 #include <string>
+#include <pthread.h>
  
 int
 unix_system (string s) {
